CB-35 is a sketch of the Chesley Bonestell painting Titan 1 1/4° 720 min out Hyperion Saturn 4 1/2° Rhea 10' 500 ± dia.
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This sketch was part of the Chesley Bonestell Early Studies of Planetary Landscapes collection, consisting of a group of 21 oil sketches. The sketches were once housed in a three prong binder, and inscribed by the artist with his Hollywood address. CB-35 is one of the earliest surviving space paintings by Bonestell known to Ron Miller and Frederick C. Durant III.